A001997 - OEIS

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A001997 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`10`
`5`		`24`
`6`		`66`
`7`		`176`
`8`		`493`
`9`		`1362`
`10`		`3821`
`11`		`10660`
`12`		`29864`
`13`		`83329`
`14`		`232702`
`15`		`648182`
`16`		`1804901`
`17`		`5015725`
`18`		`13931755`
`19`		`38635673`
`20`		`107090666`
`21`		`296449133`
`22`		`820271143`
`23`		`2267225157`
`24`		`6264244414`
`25`		`17291930470`

[1,1,2,4,10,24,66,176,493,1362,3821,10660,29864, 83329,232702,648182,1804901,5015725,13931755, 38635673,107090666,296449133,820271143,2267225157, 6264244414,17291930470]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)